Finding the Fourth Proportional to 4,170,242.22, 6,255,878.49 and 1,474,011.42
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Solution
The fourth proportional to 4,170,242.22, 6,255,878.49 and 1,474,011.42 is: 2,211,199.22
Step by Step Solution
- Step 1: Write the proportion equation
4,170,242.22 : 6,255,878.49 = 1,474,011.42 : x - Step 2: Convert to fraction form
4,170,242.22/6,255,878.49 = 1,474,011.42/x - Step 3: Cross multiply
4,170,242.22x = 6,255,878.49 × 1,474,011.42 - Step 4: Simplify right side
4,170,242.22x = 9,221,236,336,392.36 - Step 5: Solve for x
x = 9,221,236,336,392.36/4,170,242.22 - Step 6: Final answer
x = 2,211,199.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.